示例#1
0
        /// <summary>
        /// Removes the specified value.
        /// </summary>
        /// <param name="value">The value.</param>
        /// <returns>
        ///   <c>true</c> if the specified value was removed; otherwise, <c>false</c>.
        /// </returns>
        public bool Remove(T value)
        {
            // ReSharper disable once AssignNullToNotNullAttribute
            var hashCode = Comparer.GetHashCode(value);

            for (var attempts = 0; attempts < _probing; attempts++)
            {
                var done   = false;
                var result = _bucket.RemoveAt
                             (
                    hashCode + attempts,
                    found =>
                {
                    if (Comparer.Equals(found, value))
                    {
                        done = true;
                        return(true);
                    }
                    return(false);
                }
                             );
                if (done)
                {
                    return(result);
                }
            }
            return(false);
        }
示例#2
0
        /// <summary>
        /// Removes the specified value.
        /// </summary>
        /// <param name="value">The value.</param>
        /// <returns>
        ///   <c>true</c> if the specified value was removed; otherwise, <c>false</c>.
        /// </returns>
        public bool Remove(T value)
        {
            var hashCode = _comparer.GetHashCode(value);

            for (var attempts = 0; attempts < _probing; attempts++)
            {
                var done   = false;
                var result = _bucket.RemoveAt
                             (
                    hashCode + attempts,
                    found =>
                {
                    if (_comparer.Equals(found, value))
                    {
                        done = true;
                        return(true);
                    }
                    return(false);
                }
                             );
                if (done)
                {
                    return(result);
                }
            }
            return(false);
        }
示例#3
0
 /// <summary>
 /// Attempts to retrieve and remove the next item from the back.
 /// </summary>
 /// <param name="item">The item.</param>
 /// <returns>
 ///   <c>true</c> if the item was taken; otherwise, <c>false</c>.
 /// </returns>
 public bool TryTake(out T item)
 {
     if (_entries.Count > 0)
     {
         var preCount = Interlocked.Decrement(ref _preCount);
         if (preCount >= 0)
         {
             var index = (Interlocked.Increment(ref _indexDequeue) - 1) & (_capacity - 1);
             if (_entries.RemoveAt(index, out item))
             {
                 return(true);
             }
         }
         Interlocked.Increment(ref _preCount);
     }
     item = default(T);
     return(false);
 }
 /// <summary>
 /// Removes the item at the specified index.
 /// </summary>
 /// <param name="index">The index.</param>
 /// <returns>
 ///   <c>true</c> if the item was removed; otherwise, <c>false</c>.
 /// </returns>
 /// <exception cref="System.ArgumentOutOfRangeException">index;index must be greater or equal to 0 and less than capacity</exception>
 public bool RemoveAt(int index)
 {
     return(_entries.RemoveAt(index));
 }